Seal-padlock



,(No Model.)

J- H. PHILLIPS.

SEAL PADLOCK. No. 307,221. Patented 001;. 28, 1884.

N PETERS. Phvio-Lilhographar. Wul'u'nglon. 04 c.

1 NIIE STATES ATENT Clarice.

JOHN H. PHILLIPS, OF N EIV BRIGHTON, PENNSYLVANIA.

SEAL-PADLOCK.

SPECIFICATION forming part of Letters Patent No. 307,221, dated October28, 1884.

Application filed March 14, 1884. (No model.) I I understood byreference to the accompanying drawings, in which Figure 1 is aperspective view of the lock with the seal-plate in the position itoccupies when removed from the key-hole. Fig. 2is a like view with theplate in position to cover the key-hole. Fig. 3 is a perspective view ofthe circularly-moving segmental bolt, its central spindle or axis, andthe radial arm connecting the two. Fig. 4 is a plan of the inte riorworking parts. with the bolt advanced. Fig. 5 is a like view of the sameparts with the bolt retracted. Fig. 6 is a section of the lock on line 66, Fig, 4. Fig. 7 is a plan of that part of the lock-casing which isfitted to the part that carries the working parts.

The casingis composed of two parts, A A. The former is a plate to whichthe working parts of the lock are secured. The latter is a boa-like partwhich receives and surrounds the interior working parts. A isprovidedwith a central boss, a, (to enter a corresponding recess in the innerend of the rotary boltcarrying spindle,) with three or more holes, a, toreceive the ends of correspondingsteadypins, a, on part A, which pinscan be upset at their projecting ends, so as to serve as means forholding together the two parts of the easing, and with a stem, a", whichis placed in proper position to form the key-post. The casing is slottedor formed with a peripheralrecess, A, to accommodate the staple, and thecircularly-moving segmental bolt B is arranged to move in a path whichwill cause it, when advanced, to cross or span the slot A", in doingwhich it of course passes through the staple, as customary. This bolt iscarried on the outer end of a radial arm, B, attached at the inner endto the spindle B which passes centrally through and is supported so asto rotate in the part A. On the outer projecting end of the spindle isfast a hub from which projects an arm, B, that serves as a handle bywhich the spindle, and consequently the bolt when un locked, can beoperated from the outside. In part A is the key-hole b, through whichthe key that unlocks the bolt is inserted. Mounted to turn on thespindle as an axisis a sectional plate, 0, which I term the seal-plate,arranged so that it may be turned to cover or uncover the keyhole, asdesired. The sealplate is provided with a projection, O, which serves asa handle for operating it, and this handle 0 is so arranged withreference to the bolt-operating handle that when the bolt is advancedand the seal-plate is moved into position to cover the key-hole itshandle 0 will meet and lie alongside and up against the boltoperatinghandle, as indicated in Fig. 2, in which position it canbe secured byfastening it to the handle B. One convenient way of doing thisis to formin the two handles coinciding holes 0 c,and to pass through these holes,when the handles are together, a wire whose ends are secured by a seal,as indicated at 0;, thus effectually sealing the lock and preventin gaccess to the keyhole without breaking or cutting the seal or theseal-plate.

I can, if desired, use the look as a hasp-lock by forming the casingwith an extension, such as indicated by dotted lines at X in Fig. 7.

Upon the inner face of the part A are abutments or ledges d d d", whichsupport the tumblers and the springs for controlling the tumblers andthe bolt. The bolt-spring is shown at 0. It is a bow-spring with one ofits ends seated in a notch, f, in the radial arm 13, and the other in anotch, ,111 ledge a The spring, when the bolt is unlocked, throws itback to the position shown in Fig. 5, the rearward movement of the boltbeing limited by any suitable stop,which in this instance is the ledged. The tumblers D slidelengthwise. Their rear ends move between theledges d d, and their front ends between ledges d (1 these ledges thusserving as guides for the tumblers. The hit ter are so formed as tobridge the key-hole b and to furnish at the proper point acting faces h,against which the key can bear, so as to retract them. At their outerends they are bev eled, as indicated at 'i, so that the bolt, whenturned forward by its handle,will bear against and force back thesebeveled ends, which latter then, as the bolt continues to advance, snapinto the V-recess j in the bolt, and thus lock it in place. Thetunibler-controlling spring 7.: is secured to the ledge d, and bearsagainst the rear ends of the tumblers, its tendency being to force thetumblers forward. Straps Z, extending between ledges d d and d al keepthe tumblers down in their place.

The whole organization, it will be noted, is compact, simple,convenient, and compara tively inexpensive. The tumblers lie close tothe bolt-spindle and supporting-arm, without, however, interfering withthe free movement of the latter, and the springs are placed where theyare well protected and at the same time in position to act efficiently.In this connection I remark that I am aware that ahasp or padlockcontaining a circularly-moving bolt provided with an outside handle andcombined with spring-controlled locking-tumblersis not new, broadlyconsidered.

Having described my'improvements, what I claim as new and of my owninvention is 1.. The combination, with the loclccasc, thecircularlymoving bolt, the rotary bolt-operating spindle, and the handlethereon, of the seal-plate mounted to revolve 011 the spindle as anaxis, and provided with a handle so placed that when the bolt is in itsadvanced position and the seal-plate is in position to cover thekey-hole in the casing the two handles will meet or be brought into juxtaposition, substantially as and for the purposes hereinbet'ore setforth.

2. The combination, with the casing, of the sliding tumblers, theirguides and controllingspring, the circularly moving bolt, its supporting-arm, the rotary spindle carrying said arm, the spindle-handle,and the bolt-controlling spring, these parts being constructed andarranged relatively to one another and for joint operation ashereinbeforc shown and described.

In testimony whereof I have hereunto set my hand this 8th day of March,1884,

JOHN H. PHILLIPS.

\Vi tnesses:

O. F. MARTIN, D. A. GLASS.

